The Additive Interaction between Body Mass Index and Hypertension Family History in Han and Yugur: The China National Health Survey (CNHS)

Figure 3

Associations and interactions of obesity and FHH on hypertension in Han and Yugur people in China. Models were adjusted for age and gender. FHH: family history of hypertension, RERI: the relative excess risk due to interaction, AP: the attributable proportion due to interaction, SI: the synergy index. Interaction was present if the 95% CIs of RERI and AP did not include 0 and the 95% CI of SI did not include 1.